The new study deciphered the single-most greatest mass extinction on Earth driven by a natural calamity that still exists.

The Permian extinction reminds him of Agatha ... Lystrosaurus, the synapsid that inherited the barren world of the Triassic, stared out empty-eyed. With its competition gone, Lystrosaurus spread ...

Travel back in time even further to around 250 million years ago, and the Great Dying – more formally known as the ...

when extinction rates sharply exceeded background rates. These occurred at the end of the Ordivician, the Late Devonian, the Permian/Triassic (P/Tr) boundary, the end of the Triassic, and the ...

Then 252 million years ago came the Permian-Triassic extinction event. This is the biggest extinction event our planet has ever seen, in which 70 per cent of species on land disappeared along with ...

This shows paleogeography during the Permian-Triassic boundary extinction 252 million years ago. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

The largest of these occurred about 250 million years ago and is often called the P-Tr or Permian-Triassic extinction event; various mechanisms, ranging from increased volcanic eruptions to a drastic ...

Because yes, birds are dinosaurs, she says. They were the only group of dinosaurs to survive the Cretaceous mass extinction around 65 million years ago (not to be confused with the Permian-Triassic ...

Global warming triggered by heavy volcanic activity is hypothesized by some scientists to have caused the end-Triassic extinction event that obliterated up to 80 percent of Earth’s species. These ...

Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...

By the start of the Triassic, all the Earth's landmasses ... and sea urchins that survived the Permian extinction and were quickly diversifying. The first corals appeared, though other reef ...